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Cisco CRS-1 Carrier Routing System 8-Slot Line Card Chassis Installation Guide
OL-6256-08
Chapter 4 Installing and Removing MSCs, PLIMs, and Associated Components
How to Install or Remove an RP Card or DRP PLIM
Note It is normal for some displayed messages to appear too briefly in the LED display to be read.
Troubleshooting the MSC
If the installed or replaced MSC fails to operate or to power up on installation:
1. Make sure that the card is seated firmly in the Cisco CRS-1 8-slot line card chassis slot. One easy
way to verify physical installation is to see whether the front faceplate of the MSC is even with the
fronts of the other cards installed in the card cage.
2. Check whether the ejector levers are latched and that the captive screws are fastened properly. If you
are uncertain, unlatch the levers, loosen the screws, and attempt to reseat the MSC.
3. Examine the Cisco CRS-1 8-slot line card chassis alarm LEDs on the RP to see if there are any active
alarm conditions.
4. Examine the Cisco CRS-1 8-slot line card chassis power distribution units (PDUs) to see whether
the chassis, as a whole, is receiving power.
MSC Status LEDs
Use the status LEDs, located on the MSC faceplate, to verify the correct installation of the MSC:
• When the card is properly installed, the Status LED turns green. If this LED is off, verify that the
card is installed correctly.
• When the Status LED is blinking yellow, a problem exists on the board.
• When the Status LED is off, the board state is unknown. Verify that there is power to the board by
looking at the indicators on the power module.
How to Install or Remove an RP Card or DRP PLIM
This section contains the following procedures:
• Installing an RP or DRP Card
• Removing an RP or DRP Card
• Verifying the Installation of an RP or DRP Card
• Installing a PCMCIA Card
• Removing an RP PCMCIA Card
Installing an RP or DRP Card
This section describes how to install a route processor (RP) or distributed route processor (DRP) card in
the chassis. For more detailed information on the route processor card, see Cisco CRS-1 Carrier Routing
System 8-Slot Line Card Chassis System Description.
Every Cisco CRS-1 8-slot line card chassis contains two RP cards in dedicated slots on the front (PLIM)
side of the chassis (see
Figure 4-28).